Yawn I am sure. But here it goes:
1. Payment arrives to Paypal.
2. IPN shoots data out to mysql database
3. Data gets stored.
Need all available data from our paypal transactions to be posted to this database. Needs to be secure and will be done over SSL.
Create the the sql script to create the table(s).
Create the php script to receive the data from paypal and to post the data to the table(s)